Dental screw



FIG. 1 is a top perspective view of a dental screw according to thedesign, shown at an enlarged scale;

FIG. 2 is a perspective view thereof;

FIG. 3 is a side view thereof; the opposite side being a mirror image,

FIG. 4 is a side perspective view thereof;

FIG. 5 is a top view thereof, shown at an enlarged scale; and,

FIG. 6 is a bottom view thereof, shown at an enlarged scale.

The dash-dot-dash broken lines immediately adjacent the shaded areasrepresent the bounds of the claimed design while the dash-dash-dashbroken lines are directed to environment and are for illustrativepurposes only; the broken lines form no part of the claimed design.

CLAIM The ornamental design for a dental screw, as shown and described.